Terminal, radio communication method, and base station
Appropriately performing STRP/MTRP PUSCH transmission. A terminal according to one aspect of the present disclosure includes a receiving section that receives downlink control information including a first sounding reference signal (SRS) resource indicator (SRI) field and a second SRI field, and a control section that performs control to perform non-codebook-based uplink transmission scheduled by the downlink control information by using a first panel determined on the basis of the first SRI field and a second panel determined on the basis of the second SRI field.
1 . A terminal comprising:
a receiver that receives downlink control information for scheduling a non-codebook based uplink shared channel to be transmitted with a number of repetitions, the downlink control information including a first sounding reference signal (SRS) resource indicator (SRI) field and a second SRI field and explicitly indicating an order of SRS resource sets that are applied to respective transmissions of the uplink shared channel; and
a processor that determines the SRS resource sets applied to the respective transmissions of the uplink shared channel, based on the order, from a first SRS resource set corresponding to the first SRI field and a second SRS resource set corresponding to the second SRI field, and controls to transmit the uplink shared channel,
wherein when a number of SRS resource sets in the order is less than the number of repetitions, the processor repeatedly applies the SRS resource sets in the order to the respective transmissions of the uplink shared channel.
2 . The terminal according to claim 1 , wherein the processor expects that the first SRI field and the second SRI field indicate SRS resources with a same number of ports.
3 . The terminal according to claim 2 , wherein the processor controls to perform a transmission to which the first SRS resource set is applied, using a first panel and to perform a transmission to which the second SRS resource set is applied, using a second panel.
4 . The terminal according to claim 1 , wherein the second SRI field indicates only a same number of SRS resources as a number of SRS resources indicated by the first SRI field.
5 . The terminal according to claim 4 , wherein the processor controls to perform a transmission to which the first SRS resource set is applied, using a first panel and to perform a transmission to which the second SRS resource set is applied, using a second panel.
6 . The terminal according to claim 1 , wherein the processor controls to perform a transmission to which the first SRS resource set is applied, using a first panel and to perform a transmission to which the second SRS resource set is applied, using a second panel.
7 . A radio communication method for a terminal, comprising:
receiving downlink control information for scheduling a non-codebook based uplink shared channel to be transmitted with a number of repetitions, the downlink control information including a first sounding reference signal (SRS) resource indicator (SRI) field and a second SRI field and explicitly indicating an order of SRS resource sets that are applied to respective transmissions of the uplink shared channel; and
determining the SRS resource sets applied to the respective transmissions of the uplink shared channel, based on the order, from a first SRS resource set corresponding to the first SRI field and a second SRS resource set corresponding to the second SRI field, and controlling to transmit the uplink shared channel,
wherein when a number of SRS resource sets in the order is less than the number of repetitions, repeatedly applying the SRS resource sets in the order to the respective transmissions of the uplink shared channel.
8 . A base station comprising:
a transmitter that transmits, to a terminal, downlink control information for scheduling a non-codebook based uplink shared channel to be transmitted with a number of repetitions, the downlink control information including a first sounding reference signal (SRS) resource indicator (SRI) field and a second SRI field and explicitly indicating an order of SRS resource sets that are applied to respective transmissions of the uplink shared channel; and
a receiver that receives the uplink shared channel, wherein the terminal determines the SRS resource sets applied to the respective transmissions of the uplink shared channel, based on the order, from a first SRS resource set corresponding to the first SRI field and a second SRS resource set corresponding to the second SRI field and transmits the uplink shared channel,
wherein when a number of SRS resource sets in the order is less than the number of repetitions, the terminal repeatedly applies the SRS resource sets in the order to the respective transmissions of the uplink shared channel.
9 . A system comprising:
a terminal; and
a base station:
wherein the terminal includes:
a receiver that receives downlink control information for scheduling a non-codebook based uplink shared channel to be transmitted with a number of repetitions, the downlink control information including a first sounding reference signal (SRS) resource indicator (SRI) field and a second SRI field and explicitly indicating an order of SRS resource sets that are applied to respective transmissions of the uplink shared channel; and
a processor that determines the SRS resource sets applied to the respective transmissions of the uplink shared channel, based on the order, from a first SRS resource set corresponding to the first SRI field and a second SRS resource set corresponding to the second SRI field, and controls to transmit the uplink shared channel,
wherein when a number of SRS resource sets in the order is less than the number of repetitions, the processor repeatedly applies the SRS resource sets in the order to the respective transmissions of the uplink shared channel, and
wherein the base station includes:
a transmitter that transmits, to the terminal, the downlink control information; and
a receiver that receives the uplink shared channel.